CNNのインスタグラム(cnn) - 4月15日 03時08分

Robots, apps, chickens and bubbles! President Obama hosted his final White House science fair. He started hosting the White House science fair in 2010. That year about 40 students participated. This year's event was the largest yet, hosting more than 130 students from more than 30 states. Many of the projects showcased skills the administration has encouraged in the fields of science, technology, engineering and math (STEM) and computer science. #potus #obama#stem #science #scienefair

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